Exercise apparatus



FIG. 1 is a perspective view of an exercise apparatus showing our new design;

FIG. 2 is a front view, the back view is a mirror image thereof;

FIG. 3 is a top view thereof;

FIG. 4 is a bottom view thereof; and,

FIG. 5 is a side view, the opposite side view is a mirror image thereof.

The band is shown with a symbolic break in its length. The appearance of any portion of the article beyond the break lines forms no part of the claimed design. 

CLAIM The ornamental design for an exercise apparatus, as shown and described. 